九年级英语Unit4Whatwouldyoudo知识精讲.doc

初三英语Unit 4 What would you do?【本讲主要内容】Unit 4 What would you do?通过本课的学习，我们应该能做下面的事： 1、学会如何面对现实及学生如何提出合理化建议 2、提高学生听力与口语交际的能力3、学会虚拟语气的用法及should用于提建议知识掌握】【知识点精析】词汇用法：1、too…to意思是“太……而不能……”，例如：I’m too tired to do well.我太累了没法做好这件事The boy is too young to go to school. 这个男孩年龄太小了，不能上学2、confident是形容词，意思是“有信心的，有把握的”，常用搭配为：be confident of sth/ that… 例如：He feels confident of his victory.他对胜利有信心She is confident of winning the race. = She is confident that she will win the race.她确信她赛跑会获胜3、be afraid to do/ be afraid of doing / be afraid that /be terrified of的意思是“害怕……”。

例如：I’m afraid to walk alone in the forest.我不敢一人在森林里走I’m afraid of flying in a plane.我害怕坐飞机He was afraid that he would lose face.他担心丢面子4、in front of意思是“在……的前面”，表示“有距离的前面”例如：There is a tree in front of the house.房子前面有一棵树in the front of意思是：“在……（范围内）的前面”，例如：The teacher often stands in the front of the classroom.老师经常站在教室的前面5、want sb to do意思是“希望某人做某事”，例如：Class, I want you to hand in your report by Friday.各位同学，报告要在星期五以前交来6、think of意思是“想出，想到，想起”，例如：I can’t think of his phone number.我想不起他的号码It makes me sad when I think of my little dog’s death.当我想起我的小狗的死就很伤心。

7、come up with意思是“想出，找出（答案、计划）”例如：You’ve come up with a good idea. 你想出的主意好极了！8、by accident/ chance意思是“偶然，碰巧”例如：I met him by accident/chance in the street that day.那天，我碰巧在街上遇见了他She stepped on my foot by accident/chance.她无意中踩了我的脚9、辨析：find, find out, look for, discover （1）find指寻找的结果，即“找到”是非延续性动词例如： Where did you find it? 你是在哪里找到它的？ （2）find out指“发现，查明，了解”，表示经过观察、调查把某事、某物查出、搞清楚，多用于复杂而不易直接查出的情况例如： I’ll try to find out who did this? 我要设法弄清楚这是谁干的 （3）look for作“寻找”解时，指寻找的动作和过程，是延续性动词。

I’m looking for a place for you to stay. 我正在给你找住的地方 （4）discover多指通过实验、调查、勘探等“发现、找到”未被发掘或认识的事物例如： Columbus discovered America. 哥伦布发现了美洲10、辨析:alone, lonely alone表示“独自一人（或仅几个人）”，多作表语；作后置定语时，表示“只有，仅仅”的意思例如： The man lives alone. 那位老人自己一个人住lonely既可以作定语也可以作表语；作定语时意思是“孤独的，偏僻的，荒凉的”；作表语时表示“寂寞的，孤单的”例如：When his family moved, Mark was lonely until he made new friends.马克一家搬家后，在没有交上新朋友前他一直很寂寞11、Why don't you …?是用来提出邀请、建议或对某人不愿做某事时提出的反问它并不表示怀疑，而是有肯定的意义在口语中，常常省略主语和谓语，只有“Why not +动词原形?”例如：Why don't you go to Beijing with your parents?你为什么不和父母去北京呢?It's too not today. Why not have a swim in the river?今天天气太热了。

为什么不去河里游泳呢?12、permission是permit的名词形式，意思是“许可，允许”without permission意思是“在没经许可下”语法的重点难点：（一）if 的用法1、虚拟语气： 句子假设的情况如果是完全不存在的（与现在或过去的事实相反），或者实现的可能性很小（与将来的事实可能相反），这种句子叫做虚拟条件句，它的谓语动词用虚拟语气1）if 引导的是非真实的条件句，表示“非真实的事情及情况”，这种事情很可能不会发生，只是想象中的当前的情况，以及并未发生的事情表示说话人的愿望、假设、猜测或建议，而不表示客观存在的事实，即表示与事实相反的情况其结构是：在从句中用动词过去时，在主句中用条件式：would+动词原形（If+ subject+ V.(ed) …,subject+ would +do …）If I were you, I would do it at once.如果我是你的话，我会马上做这件事If we had longer holidays, we would be perfectly happy.如果我们的假期再长一些，我们会相当愉快2）if从句和主句都可以放在句子的开头。

例如：If I had the time, I would watch TV for 10 hours a day.如果我有时间，我会一天看十个小时的电视If you could go there with us, Ann would be very happy.如果你能和我们一起去，安将会十分高兴3）在if之后，常用were而不用was，尤其是在正式文体中和“If I were you,…”这个句子中例如：If I were you, I’d wear a shirt and tie.如果我是你的话，我将穿衬衣、打领带If I were Bill Gates, I would give millions of money to the charities.如果我是比尔盖茨的话，我会把上百万的钱捐献给慈善机构If I were the headmaster, I would allow students to wear their own clothes.如果我是校长的话，我会允许学生穿他们自己的衣服到学校2、引导真实的条件状语从句，其结构是：在从句中用动词现在时，在主句中用将来式：will+动词原形。

例如：If it doesn’t rain tomorrow, we’ll go for a picnic.如果明天不下雨，我们将去野餐If he gets home early this evening, he will cook for us.如果他今晚回来早，他将为我们做饭If I am free this weekend, I will play basketball with my friends.如果这个周末我有空，我将和朋友一起去打篮球3、If在下面句子里的意思是“是否”，引导宾语从句例如：He doesn’t know if he should bring a present.他不知道是否应该带礼物4、What if用来表示询问或提建议意思是“如果……怎么办？”例如：What if aliens should invade the earth?如果外星人侵略怎么办？What if everyone else brings a present?如果其他人都带礼物该怎么办？What if I don’t know anyone?如果我谁都不认识该怎么办？（二）would rather do… than 的用法（1）would rather do…than…=had rather do…than…是固定用法，意为“宁可……（也）不愿，与其……不如……”通常简写为’d rather do。

2）在would rather…than…这个结构中，必须注意前项和后项的对称，即than所连的词必须与前面的词项在词性和结构上相一致例如：I’d rather have the red one than the green one.我宁愿买这个红色的，而不是那个绿色的He’d rather play than work.他宁愿玩耍而不愿学习You would also rather stay at home and read a book than go to a party.你也会宁愿呆在家里读书而不愿去参加聚会功能用语及拓展：本单元涉及的功能用语有：1、Talk about how to solve the problems in the daily life<1>语言环境：当谈论生活方面的困难和提建议时，使用这类功能用语<2>主要句型：Target language: What would you do if you had a million dollars?If I were you, I would give it to medical research.give it to charities, buy snacks, put it in the bank, buy a big house, travel around the world, etc.What if I don’t know anyone?<3>典型句型：What would you do if you had a million dollars?I’d give it to medical research.If I were you, I’d wear a shirt and tie.If I were you, I’d take a 。